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Answered on 07/12/2016 Tuition/Class IX-X Tuition Tuition/Class IX-X Tuition/Mathematics Compound Interest

What happen to the time period if the interest is compounded half yearly?

Sreedevi A.

Teacher

Time period gets doubled and Rate become half.

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Answers 2 Comments Answered on 26/11/2016 Tuition/Class IX-X Tuition Tuition/Class IX-X Tuition/Mathematics Compound Interest

The SI on a sum of money is 1/9 of the principle, and the number of years is equal to the rate % per... read more

The SI on a sum of money is 1/9 of the principle, and the number of years is equal to the rate % per annum. Find the rate %? read less

Sarvajeet Kumar

An Experienced Trainer

(10/3)%

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Answers 1 Comments Answered on 21/11/2016 Tuition/Class IX-X Tuition Tuition/Class IX-X Tuition/Mathematics Compound Interest

Ramesh invests Rs. 12800 for three years at the rate of 10% per annum compound interest. Find the sum... read more

Ramesh invests Rs. 12800 for three years at the rate of 10% per annum compound interest. Find the sum due to Ramesh at the end of the first year? read less

Sreedevi A.

Teacher

The amount at the end of Year I is 10% of the principle added to the principle itself. So it would be 12800+(10% of 12800)=14080

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Answers 1 Comments Answered on 26/11/2016 Tuition/Class IX-X Tuition Tuition/Class IX-X Tuition/Mathematics Compound Interest

The cost of car, purchased 2 years ago, depreciates at the rate of 20% every year. If its present worth... read more

The cost of car, purchased 2 years ago, depreciates at the rate of 20% every year. If its present worth is Rs 315600, find its purchase value? read less

Ashwini

commerce

Rs. 493175.

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Answers 1 Comments Answered on 27/11/2016 Tuition/Class IX-X Tuition Tuition/Class IX-X Tuition/Mathematics Compound Interest

What is the formula for finding amount?

Kumar P.

A=P(1+r/100)^n. Where, A is amount, P is Principal , r is rate p.a., n is nos. of years.

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Answers 1 Comments Answered on 22/11/2016 Tuition/Class IX-X Tuition Tuition/Class IX-X Tuition/Mathematics Compound Interest

What is the difference between the compound interest on Rs. 5000 for 1 year at the rate 4% per annum... read more

What is the difference between the compound interest on Rs. 5000 for 1 year at the rate 4% per annum compounded yearly and half yearly? read less

Shikha Yadav

Tutor

Compound interest = Amount +Principal. One and a half year can be calculated as 3 and half years.

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Answers 1 Comments Answered on 21/11/2016 Tuition/Class IX-X Tuition Tuition/Class IX-X Tuition/Mathematics Compound Interest

The compound interest on Rs 30000 at the 7% per annum is Rs 4347. What is the period (in years)?

RAM MOHAN A.

The period is 2 years. Very simple solution 30000[ (1+7/100) power n] - 30000=4347 = = > 30000 [ (1+7/100) power n] = 34347==> [ (1+7/100) power n] = 34347/30000 ==> [ (100+7)/100) power n] = [ (100+7)/100 ) power 2==> n=2

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Answers 1 Comments Answered on 23/11/2016 Tuition/Class IX-X Tuition Tuition/Class IX-X Tuition/Mathematics Compound Interest

What will be the compound interest on a sum of Rs. 25000 after 3 years at the rate of 12 p.a?

Shikha Yadav

Tutor

Amount =[25000(1+12/100)3] =[25000*28*28*28]/25*25*25 =Rs 35123.20 CI = Rs 35123.2+ Rs 25000= Rs 10,123.20.

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Answers 1 Comments Answered on 23/11/2016 Tuition/Class IX-X Tuition Tuition/Class IX-X Tuition/Mathematics Compound Interest

Define compound interest?

Shikha Yadav

Tutor

Compound interest is the interest to the principal sum i.e., Compound interest = Principal of last year + Amount Amount = (1+r%) to the power n, number of years.

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Answers 1 Comments Answered on 26/11/2016 Tuition/Class IX-X Tuition Tuition/Class IX-X Tuition/Mathematics Compound Interest

If the simple interest on a sum of money for 2 years at rate 5% per annum is Rs. 50, What is the compound... read more

If the simple interest on a sum of money for 2 years at rate 5% per annum is Rs. 50, What is the compound interest on the same rate and for the same time? read less

Sarvajeet Kumar

An Experienced Trainer

Rs. 51.25.

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